<template>
  <div class="ratingselect">
    <div class="rating-type border-1px">
      <span class="block positive" :class="{'active': selectType === 2}" @click="select(2, $event)">{{desc.all}}<span class="count">{{ratings.length}}</span></span>
      <span class="block positive" :class="{'active': selectType === 0}" @click="select(0, $event)">{{desc.positive}}<span class="count">{{positives.length}}</span></span>
      <span class="block negative" :class="{'active': selectType === 1}" @click="select(1, $event)">{{desc.negative}}<span class="count">{{negatives.length}}</span></span>
    </div>
    <div class="switch" :class="{'on':onlyContent}" @click="toggleContent($event)">
      <span class="icon-check_circle"></span>
      <span class="text">只看有内容的评价</span>
    </div>
  </div>
</template>
<script>
  const POSITIVE = 0
  const NEGATIVE = 1
  const ALL = 2

  export default {
    props: {
      ratings: {
        type: Array,
        default() {
          return []
        }
      },
      selectType: {
        type: Number,
        default: ALL
      },
      desc: {
        type: Object,
        default() {
          return {
            all: '全部',
            positive: '满意',
            negative: '不满意'
          }
        }
      },
      onlyContent: {
        type: Boolean,
        default: false
      }
    },
    methods: {
      select(type, event) {
        if(!event._constructed) return
        this.$emit('select', type)
      },
      toggleContent(event) {
        if(!event._constructed) return
        this.$emit('toggle')
      }
    },
    computed: {
      positives() {
        return this.ratings.filter((rating) => {
          return rating.rateType === POSITIVE
        })
      },
      negatives() {
        return this.ratings.filter((rating) => {
          return rating.rateType === NEGATIVE
        })
      }
    }
  }
</script>

<style scoped lang="stylus">
  @import '../../common/stylus/mixin.styl'
  .ratingselect
    .rating-type
      padding: 18px 0
      margin: 0 18px
      border-1px(rgba(7, 17, 27, .1))
      font-size: 0
      .block
        display: inline-block
        padding: 8px 12px
        margin-right: 8px
        border-radius: 1px
        font-size: 12px
        color: rgb(77, 85, 93)
        line-height: 16px
        &.active
          color: #fff
        .count
          font-size: 8px
          margin-left: 2px
        &.positive
          background: rgba(0, 160, 220, .2)
          &.active
            background: rgb(0, 160, 220)
        &.negative
          background: rgba(77, 85, 93, .2)
          &.active
            background: rgb(77, 85, 93)
    .switch
      padding: 12px 18px
      line-height: 24px
      border-bottom: 1px solid rgba(7, 17, 27, .1)
      color: rgb(147, 153, 159)
      font-size: 0
      &.on
        .icon-check_circle
          color: #00c850
      .icon-check_circle
        font-size: 24px
        margin-right: 4px
        display: inline-block
        vertical-align: top
      .text
        font-size: 12px
        display: inline-block
        vertical-align: top
</style>